St. Petersburg Polytechnical State University Journal: Physics and Mathematics has been accepted for indexing in the DOAJ database.
Directory of Open Access Journals (DOAJ) is the largest database providing access to high quality, open access, peer-reviewed journals. DOAJ upholds stringent selection criteria and meticulously checks the information provided, thus serving to promote the international movement for Open Access. DOAJ seeks to facilitate the global transition to Open Access by increasing the reputation and visibility of open access peer-reviewed journals from all countries and disciplines.
